hg: jdk/sandbox: 8231508: Spec Clarification : KeyTab:exist() method does not specify about the fallback details

[chris.hegarty at oracle.com]

Changeset: 8f6ffa575f63
Author:    weijun
Date:      2020-02-11 11:17 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/8f6ffa575f63

8231508: Spec Clarification : KeyTab:exist() method does not specify about the fallback details
Reviewed-by: mullan

! src/java.security.jgss/share/classes/javax/security/auth/kerberos/KeyTab.java